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Instruction Manual
SERVICE MANUAL
11
2003
52200
HV-34LH21, HV-34LH21
HV-34LH51
RM-C1351
[HV-34LH21]
[HV-34LH51]
1
PRECAUTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2
SPECIFIC SERVICE INSTRUCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
3
DISASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
4
ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
5
TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-33
COPYRIGHT © 2003 VICTOR COMPANY OF JAPAN, LIMITED
COLOUR TELEVISION
RM-C1353
RM-C1350
[HV-34LH71]
TABLE OF CONTENTS
, HV-34LH71
/S
,
/E
/G
BASIC CHASSIS
ML
No.52200
2003/11
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Table of Contents
Related Manuals for JVC HV-34LH21, HV-34LH21/E
Summary of Contents for JVC HV-34LH21, HV-34LH21/E
- Page 1 SERVICE MANUAL COLOUR TELEVISION 52200 2003 HV-34LH21, HV-34LH21 HV-34LH51 , HV-34LH71 BASIC CHASSIS RM-C1351 RM-C1353 RM-C1350 [HV-34LH21] [HV-34LH51] [HV-34LH71] TABLE OF CONTENTS PRECAUTION............... . . 1-3 SPECIFIC SERVICE INSTRUCTIONS .
- Page 2 MEMORY IC REPLACEMENT 3.3.1 MEMORY IC This TV use memory IC. In the memory IC, there are memorized data for correctly SERVICE MENU operating the video and deflection circuits. When replacing memory IC, be sure to use IC written with the 1.
- Page 3 3.3.3 FACTORY SETTING VALUES Setting item Setting value Setting item Setting value MAIN POWER SW SUB POWER SW CHANNEL DISPLAY INDICATED PRESET CHANNEL See OPERATING INSTRUCTIONS. VOLUME MENU SETTING Setting item Setting value Setting item Setting value PICTURE SETTING SOUND PICTURE MODE BRIGHT BASS...
- Page 4 3.3.4 SYSTEM CONSTANT SETTING Setting item HV-34LH21 / HV-29VH21 HV-34LH51 HV-34LH71 1. TEXT 2. PIP 3. COLOUR AUTO 4. BLUE BACK MUTE 3.3.5 SERVICE MENU SETTING ITEMS Setting item Setting value Setting item Setting value 1. IF 1. VCO 5. VSM PRESET BRIGHT 1.
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Page 5: Section 4 Adjustment
SECTION 4 ADJUSTMENT ADJUSTMENT PREPARATION (1) There are 2 ways of adjusting this TV : One is with the REMOTE CONTROL UNIT and the other is the conventional method using adjustment parts and components. (2) The adjustment using the REMOTE CONTROL UNIT is made on the basis of the initial setting values. The setting values which adjust the screen to the optimum condition can be different from the initial setting values. -
Page 6: Main Pwb
ADJUSTMENT LOCATION FRONT CONTROL PWB(1/2) FRONT CONTROL PWB(2/2) AUDIO R L/MONO VIDEO TV/VIDEO EXIT S-VIDEO VOL UP VOL DOWN R4 L4 S IN IC101 FRONT POWER IN (VIDEO-4) HEAD MENU / OK POHONE CH DOWN CH UP F901 SP-R C901 CN00B SP-L LF901... - Page 7 BASIC OPERATION OF SERVICE MENU 4.5.1 TOOL OF SERVICE MENU OPERATION Operate the SERVICE MENU with the REMOTE CONTROL UNIT. 4.5.2 SERVICE MENU ITEMS With the SERVICE MENU, various adjustments can be made, and they are broadly classified in the following items of settings. 1.IF This mode adjusts the setting values of the IF circuit.
- Page 8 3. SETTING METHOD 1.IF [1. VCO] : It must not adjust without signal (1) [1] key Select 1.IF. (2) [1] key Select 1.VCO(CW). Check the arrow position between the ABOVE REF. and BELOW REF. (3) [DISPLAY] key Return to the SERVICE MENU screen. 2.V/C, 3.AUDIO, 4.DEF, 5.VSM PRESET, 7.PIP AND 8.SURROUND.
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Page 9: Service Menu
4.5.4 SERVICE MENU FLOW CHART SERVICE MENU SERVICE MENU 1. IF 2. V/C 3. AUDIO 4. DEF 5. VSM PRESET 6. STATUS 7.PIP 8. SURROUND 9. SHIPPING(OFF) 0. BUS FREE 1-9 : SELECT DISP : EXIT 1. IF (CW) 5. VSM PRESET IF SERVICE MENU VSM PRESET COLOUR TEMP... - Page 10 INITIAL SETTING VALUE OF SERVICE MENU (1) Adjustment of the SERVICE MENU is made on the basis of the initial setting values:however, the new setting values which set the screen in its optimum condition may differ from the initial setting value. (2) Do not change the initial setting values of the setting items not listed in "ADJUSTMENT PROCEDURE".
- Page 11 [3. AUDIO] Setting item Variable range Initial setting value 1. ERR LIMIT 0000~00FF 0010 2. A2 ID THR 0000~00FF 0019 3. SYSTEM B/G→I→D/K→M 4. SUB BASS -003~0003 0001 5. SUB TREBLE -003~0003 0000 [4. DEF] Initial setting value Setting item Variable range REGULAR ZOOM...
- Page 12 [7. PIP] (HV-34LH51/S, HV-34LH71/G only) Initial setting value Setting item Variable range RF / Composite Video / S-Video Component video SECAM NTSC 3.58 NTSC 4.43 50Hz-i 60Hz-i 60Hz-p 1. HUE -128~0126 VIDEO 2. SC ADJ 0000~0063 Initial setting value NTSC3.58 / NTSC4.43 / PAL / SECAM / Component 50Hz-i Setting item Component 60Hz-i / 60Hz-p...
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Page 13: Block Diagram
BLOCK DIAGRAM SP L SP R IC101 IC601 TU001 IC651 HEAD TUNER MULTI SOUND PRE AMP TV L/R AUDIO OUT PHONE PROCESSOR Y/C 4 IC551 FRONT VIDEO 4 L/R 4 ROTATION CONTROL ROTATION (1/2) IC201 COIL AV SW Y/C 1 VIDEO 1 MI-COM / 100Hz PWB ROTAT... -
Page 14: Main Pwb Circuit Diagram
CIRCUIT DIAGRAMS MAIN PWB CIRCUIT DIAGRAM ( 1/2 ) MAIN PWB (2/2) C682 R681 OPEN C684 OPEN R687 OPEN OPEN C681 C686 OPEN OPEN IC681 OPEN R684 OPEN C683 OPEN R682 OPEN R685 Y605 OPEN OPEN D681 R683 R686 OPEN OPEN OPEN C687... - Page 15 MAIN PWB CIRCUIT DIAGRAM ( 2/2 ) MAIN PWB (1/2) MICOM/100Hz PWB MICOM/100Hz PWB NOT USE CN002 CN0C1 QGC2507C1-96 QGA2501F1-06 CN002 R701 R705 OPEN C711 Y011 D701 D704 .1/16 OPEN C908 MA3056/M/-X MA3056/M/-X 220/16 C562 OPEN Y012 CN00B OPEN QGF1220C2-19 STBY_5V D703 LC004...
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Page 16: Power & Def Pwb Circuit Diagram
POWER & DEF PWB CIRCUIT DIAGRAM POWER & DEF PWB ASS'Y MAIN PWB (2/2) SML-2502A-H2 ( HV-34LH21, HV-34LH51/S, HV-34LH71/G ) SML-2504A-H2 ( HV-34LH21/E ) CN003 CN004 CN005 QGB1506M1-16 QGB1506M1-16 QGB1506M1-16 RY901 QSK0061-001 L 01 D947 R942 C943 100/16 TH901 Q943 QAD0145-2R3 R943 D948... -
Page 17: Crt Socket Pwb Circuit Diagram
CRT SOCKET PWB CIRCUIT DIAGRAM CRT SOCKET PWB ASS'Y HS203 LC31150-002A SML-3502A-H2 IC203 TDA6111Q B-OUT D210 1SR124-400A-T2 QRC121K-152Z C203 R234 R237 C206 1.5k 3.3k TP-47B C215 1/2S 180p R206 NCF31CZ-104X C209 R231 100k 47/25 R301 R302 QRL029J-104-M R304 R305 R247 R225 L203 D206... - Page 18 MICOM/100Hz PWB CIRCUIT DIAGRAM ( 1/2 ) MICOM/100Hz PWB (2/2) SCL1_1 SC_YS1 SDA1_1 R223 QA201 R224 R340 3.3VD OPEN OPEN OPEN OPEN R218 R213 C308 OPEN 1/50 SC_YS2 R221 R222 1.8VD D307 R217 MA3039/H/-X 6.8k C205 SC_R1 .047 R219 C214 C309 .33/10 C206...
- Page 19 MICOM/100Hz PWB CIRCUIT DIAGRAM ( 2/2 ) MICOM/100Hz (1/2) MICOM/100Hz (1/2) NOT USED CN0J1 OPEN R125 OPEN LC003 R169 R143 R148 OPEN SDA2 OPEN OPEN R127 Q015 R177 C058 R170 SDA1_1 OPEN SDA1 OPEN R128 LC004 Q014 R149 R171 R141 OPEN SCL1_1 2SK1830-X...
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Page 20: Av Jack Pwb Circuit Diagram
AV JACK PWB CIRCUIT DIAGRAM AV JACK PWB ASS'Y SML0J502A-H2 R102 J101 QNZ0454-001 R101 S-VIDEO Y004 LC002 R103 Y003 Y002 LC001 R104 Y007 Y001 C101 .0015 Y006 CN001 QGB1505K1-35 C102 .0015 Y005 J102 J102 QNN0349-001 R114 C108 .0015 MAIN PWB (2/2) C109 .0015 R115... -
Page 21: Front Control Pwb Circuit Diagram
FRONT CONTROL PWB CIRCUIT DIAGRAM FRONT CONTROL PWB ASS'Y PIN NO. VOLTAGE(V) IC001 SML-8501A-H2 Q002 ECO[GRN] S001 QSW0619-003Z Q003 IC001 J001 CEMN011-002 Y019 S-VIDEO R013 3D-PHONIC[YLW] GP1UM281QK QNS0155-001 CEMN011-003 CEMN011-001 J003 Q004 HEADPHONE QMCC004-C01 J006 J005 J004 R038 R036 Y016 R4IN L4IN V4IN...